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Illusion of a ‘breathing forest’ in Canada

“The ground looks like it’s breathing in this Quebec forest,” wrote user Daniel Holland on twitter. According to the Forbes report, air is involved in this illusion, as strong wind plays a role in moving the trees and the topsoil. During a storm the ground becomes saturated with water, loosening the soil’s cohesion. As strong winds move the top of the tree, the force is transferred by the stem, acting as a lever, to the roots and the ground begins to move.

The wind caused the trees to sway, roots and all. In fact, the whole floor seems to rise and fall as if the earth itself was breathing. The phenomenon works best with spruce trees with their almost disc-shaped root system growing in the uppermost layers of the soil.